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Projection Printing
Projection printing, keep away from mask damage entirely. An image of the patterns on the mask is projected onto the resist-coated wafer, which are many centimetres away. In order to achieve high resolution, only a small portion of the mask is imaged. This small image field is scanned or stepped above the surface of the wafer. Projection printers that step the mask image over the wafer surface are known as step-and-repeat systems. Step-and-repeat projection printers are able of approximately 1-micron resolution.
Objectives After you have done this exercise, you should be able to: 1. Prepare a comparative chart of quotations 2. fill up the quotations form 3. process a bill for
what us thermodynamics
If 2 grammes of zinc granules was reacted with excesss hydrocloric acid to evolued hydrogen gas which came to completion after 5 minutes. Calculate the rate of the chemical in gram
absorbtion
Question:1 (a) A flowchart of a continuous steady state two-unit separation process is shown below (Figure 1.1). Each stream contains two components, x and y, in different prop
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Which one of the following statements about product A is correct? It arose from a reaction between chloride ion and a primary carbocation It arose from a reaction
INTRODUCTION : You have studied about chemical hazards in Unit 13 of Block-3 and would have learnt that many chemicals are hazardous. A good practice is to exercise caution in han
Experimental data for these fluids is included in the Homework folder. Calculate the error, at a given T and V, for each method as follows: Ε = P EOS -P exp / P exp ×100%
Give the properties and applications of Teflon. Teflon: This is acquired by the polymerisation of tetrafloourethylene. Properties: 1. This has good electrical, therma
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